Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

39Health
Library PyPI

BlendModes

Apply Photoshop-style layer blend modes to images in Python with NumPy and Pillow

38
MIT
Used by 1
45Health
Library PyPI

fastar

High-performance Python tar archives powered by Rust

34
MIT
Used by 1
38Health
SDK PyPI

altcha

Create and verify ALTCHA proof-of-work CAPTCHA challenges in Python with a zero-dependency, fully typed library.

33
MIT
Used by 1
35Health
Library PyPI

matplotlib-inline

Inline Matplotlib backend that renders figures directly inside Jupyter and IPython notebook cells.

30
BSD 3
Used by 1
73Health
Library PyPI

Microsoft Kiota Abstractions

Core request, serialization, and auth abstractions that every Kiota-generated Python API client depends on to build and run.

30
MIT
Used by 1
69Health
Library PyPI

abxpkg

Modern, strongly-typed Python library and CLI for detecting, installing, and managing system binaries across apt, brew, pip, npm, cargo, and more.

28
MIT
Used by 1
29Health
Library PyPI

loro-py

Python bindings for the Loro CRDT engine for local-first, collaborative data.

28
MIT
Used by 1
47Health
Library PyPI

elastic-transport-python

The shared HTTP transport layer powering Elastic's Python client libraries

24
Apache 2.0
Used by 1
31Health
Library PyPI

python-mimeparse

Basic functions for parsing and content-negotiating Internet media types in Python.

20
MIT
Used by 1
69Health
Library PyPI

tag-expressions

A small boolean-expression parser and evaluator for selecting Gherkin scenarios by tag, used by behave and other Cucumber-family test runners.

20
MIT
Used by 1
48Health
SDK PyPI

firebolt-sdk

A Python DB-API 2.0 client for the Firebolt cloud data warehouse.

16
Apache 2.0
Used by 1
31Health
Library PyPI

sanic-routing

The AST-compiled node-tree router that powers Sanic's path and signal routing.

16
MIT
Used by 1
27Health
Library PyPI

spacy-loggers

Training-run loggers for spaCy: Weights & Biases, MLflow, ClearML, PyTorch, CuPy

12
MIT
Used by 1
53Health
Library PyPI

django-signal-webhooks

Fire webhooks automatically from Django model signals - create, update, delete, and M2M changes - with per-model admin configuration and async delivery.

5
MIT
Used by 1
22Health
SDK PyPI

mattermostwrapper

A lightweight Python client for the Mattermost v4 REST API, built for bots and automation scripts.

4
MIT
Used by 1
43Health
SDK PyPI

akeyless-python

Auto-generated Python SDK for the Akeyless Vault secrets management and encryption platform.

2
Apache 2.0
Used by 1
20Health
Library PyPI

statshog

A lightweight Python StatsD client for sending counters, gauges, and timers to StatsD and Telegraf.

2
MIT
Used by 1
67Health
Library Cargo

turbovec

A Rust vector index with Python bindings that compresses embeddings to 2-4 bits and searches faster than FAISS.

17,191
MIT
70Health
Library PyPI

Memori

LLM-agnostic memory infrastructure that turns agent conversations into persistent, structured, recallable state.

16,779
Apache 2.0
90Health
Library PyPI

Presidio Analyzer

The PII detection engine behind Presidio, combining NER, regex, and checksum recognizers

10,859
MIT
75Health
Framework PyPI

Plain

A Django-inspired Python web framework rebuilt from scratch for explicit, typed, agent-friendly application code.

1,043
BSD 3
75Health
Library PyPI

Levenshtein

A fast Python C extension for Levenshtein edit distance, string similarity, and edit operations.

397
GPL 2.0
27Health
Library PyPI

zope.event

A minimal synchronous event publishing and dispatch system for Python.

46
Other

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers